| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director
1 company
Richard Parrillo is Director at HDSN. Richard Parrillo's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $113K at current prices.
Historically, Richard Parrillo's trades have earned a strong insider score of 78/100 across 5 rated trades. Over a 12-month horizon, all 3 of those trades were profitable, with an average 12-month return of +55.6%.
Net of sales, the HDSN filings show accumulation of 27,396 shares.
Richard Parrillo has 28 Form 4 filings on record from May 2015 to June 2026, all as Director at Hudson Technologies (HDSN), 2015–2026.
The 63 reported transactions were 17 option or other derivative awards, 17 open-market sales, 12 open-market purchases and 7 option exercises, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 5 purchases worth about $584K and 3 sales worth about $1.2M.
The largest open-market purchase was 100,000 shares of HDSN at an average $3.96 on May 11, 2015, about $396K.
The largest open-market sale was 72,604 shares of HDSN at an average $13.00 on December 14, 2023, about $944K. Twelve months later HDSN was down 57%.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| May 14, 2026 | HDSN Hudson Technologies, Inc. | Director | Buy | 5,000 | $4.96 | $24,814.00 | +24.3% | +15.7% | - | |
| May 13, 2026 | HDSN Hudson Technologies, Inc. | Director | Buy | 10,000 | $4.83 | $48,257.00 | +5.4% | +12.4% | - | |
| Dec 14, 2023 | HDSN Hudson Technologies Inc /ny | Director | Sell | 72,604 | $13.00 | $943,622.90 | -28.8% | -14.1% | -57.1% | |
| May 30, 2018 | HDSN Hudson Technologies Inc /ny | Director | Buy | 25,000 | $2.27 | $56,860.00 | +32.7% | - | - | |
| Dec 15, 2017 | HDSN Hudson Technologies Inc /ny | Director | Buy | 10,000 | $5.80 | $57,950.00 | +8.1% | - | - | |
| Aug 10, 2016 | HDSN Hudson Technologies Inc /ny | Director | Sell | 28,800 | $4.94 | $142,329.60 | -30.7% | - | - | |
| Aug 9, 2016 | HDSN Hudson Technologies Inc /ny | Director | Sell | 21,200 | $4.93 | $104,435.20 | -18.4% | - | - | |
| May 11, 2015 | HDSN Hudson Technologies Inc /ny | Director | Buy | 100,000 | $3.96 | $396,005.18 | +375.9% | - | - |